That seems like a lot of work. If what you want is to be able to run MacOS X apps on a free (like in free speech) environment, there's https://www.darlinghq.org/ which is like Wine but for MacOs X apps.
If what you want is to replicate the MacOS X UI you can customize the UI of your DE on Linux, or use something like ElementaryOS or use Pantheon.
If what you want is to replicate the MacOS X UI you can customize the UI of your DE on Linux, or use something like ElementaryOS or use Pantheon.
What are the goals of this project?